Home / 32,870.34-45,382.95-19,445.90

Finding the Fourth Proportional to 32,870.34, 45,382.95 and 19,445.90

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Solution

The fourth proportional to 32,870.34, 45,382.95 and 19,445.90 is: 26,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,870.34 : 45,382.95 = 19,445.90 : x
  2. Step 2: Convert to fraction form
    32,870.34/45,382.95 = 19,445.90/x
  3. Step 3: Cross multiply
    32,870.34x = 45,382.95 × 19,445.90
  4. Step 4: Simplify right side
    32,870.34x = 882,512,080.49
  5. Step 5: Solve for x
    x = 882,512,080.49/32,870.34
  6. Step 6: Final answer
    x = 26,848.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.